.bigBox{
    width: 100%;
    height: 910px;
    background: url(../img/sea1.jpg);
    padding-top:1px;
}
.formCourse{
    margin:50px auto;
    width: 400px;
    height: 680px;
    background-color: rgba(200,200,200,0.6);
    border-radius: 5%;
    border: 5px solid white;
}
formReg{
margin-top: 30px;
}
formLog{
margin-top:-200px;
}
.courseTit{
margin-top: 30px;
    color:rgb(36, 113, 228);
}
.courseTit2{
margin-top:-70px;
    color:rgb(36, 113, 228);
}

.courseTit1{
    margin-top: 30px;
    color:#fff;
}
.ipt,.btn{
    width: 300px;
    height: 40px;
    border: 0;
    border-radius: 20px;
    color:#999;
    text-align: center;
    margin:auto;
}
.btn{
    color:#fff;
    background-color: rgba(27, 135, 236, 0.6);
    font-size:20px;
    font-weight:700;
    letter-spacing: .3rem;
}